3
TROUBLESHOOTING GUIDES
2. SERVO / SYSCON / LOGIC CIRCUIT
Appendix
Is 5V supplied to
pin of IC 601?
Is 5V applied to
pin of IC 601?
Is 5V applied to collector
of Q711, Q712, Q713,
and Q714?
Check IC602
(Resetic)
Check D610.
1) Check Video Circuit
2) X602
(Option)
Check Q711, Q712,
Q713 and Q714.
YES
YES
YES
NO
NO
A.
NO
NO
LED ARRAY does
not operate.
Check the pulse signal
of pin ~ of IC601
and LD701.
YES
37
34
20
33
38
Is 14.318MHz applied to
the pin of IC 601?
Summary of Contents for DV-T5T2
Page 7: ...6 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM...
Page 8: ...7 CIRCUIT DIAGRAM 2 SERVO SYSCON CEC CIRCUIT DIAGRAM T DECK...
Page 9: ...8 CIRCUIT DIAGRAM 3 VIDEO AUDIO SCHEMATIC DIAGRAM 4 HEAD...
Page 10: ...9 CIRCUIT DIAGRAM 4 VIDEO AUDIO SCHEMATIC DIAGRAM HI FI...
Page 11: ...10 CIRCUIT DIAGRAM 5 PIF SCHEMATIC DIAGRAM 4 HEAD...
Page 12: ...11 CIRCUIT DIAGRAM 6 PIF MPX SCHEMATIC DIAGRAM HI FI...
Page 48: ......
